WO2003089200A1 - Appareil d'elimination de poils/cheveux - Google Patents

Appareil d'elimination de poils/cheveux Download PDF

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Publication number
WO2003089200A1
WO2003089200A1 PCT/EP2002/012883 EP0212883W WO03089200A1 WO 2003089200 A1 WO2003089200 A1 WO 2003089200A1 EP 0212883 W EP0212883 W EP 0212883W WO 03089200 A1 WO03089200 A1 WO 03089200A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
removal device
hair removal
application element
hair
Prior art date
Application number
PCT/EP2002/012883
Other languages
German (de)
English (en)
Inventor
Andreas Peter
Werner Haczek
Norbert BRÖMSE
Stefan FÜRST
Original Assignee
Braun Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun Gmbh filed Critical Braun Gmbh
Priority to AU2002367878A priority Critical patent/AU2002367878A1/en
Publication of WO2003089200A1 publication Critical patent/WO2003089200A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/40—Lubricating
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D2026/008—Details of apparatus for removing superfluous hair
    • A45D2026/009—Details of apparatus for removing superfluous hair with additional lotion applicator, e.g. interchangeable

Definitions

  • the invention relates to a hair removal device, e.g. Dry shaving apparatus, hair clipper, epilator, with a housing and a liquid delivery device with at least one open-pore application element for contacting and wetting the skin and / or hair to be processed with liquid, with a liquid transport system connected to the liquid delivery device, consisting of a liquid container, a drivable pump device with a Pump inlet and a pump outlet, wherein the liquid dispensing device is connected to the pump inlet via a first liquid line and to the liquid container via at least a second liquid line.
  • a hair removal device e.g. Dry shaving apparatus, hair clipper, epilator
  • a housing and a liquid delivery device with at least one open-pore application element for contacting and wetting the skin and / or hair to be processed with liquid
  • a liquid transport system connected to the liquid delivery device, consisting of a liquid container, a drivable pump device with a Pump inlet and a pump outlet, wherein the liquid dispensing device is
  • Such a hair removal device is known from DE 199 07 025 A1.
  • the application element of the known device is arranged in a housing that partially surrounds it, to which two liquid lines are connected, which close to one another in the area of a so-called rinsing chamber open into this housing.
  • the liquid transport system provides the application element with the liquid, which is distributed in the application unit by the capillary effect of the open-pore applicator material and is made available for application to skin and / or hair.
  • the known hair removal device it is therefore possible to apply an appropriate shaving and / or lubricating liquid during shaving, regardless of the position, which increases the comfort of shaving.
  • the application of such a liquid counteracts the so-called stick-slip effect, which can occur when shaving damp skin. Care and / or fragrances can also be applied during shaving using the liquid.
  • air is first conveyed into the liquid container during the starting phase until, caused by an overpressure in the liquid container, the liquid is conveyed into the said rinsing chamber via a riser pipe and is made available to the application element.
  • this air can flow both through the pores of the application element which are liquid-free at this point in time and also are sucked in through the circumferential gap between the container housing and the application element.
  • the porosity of the application element produced by a sintering process can be adjusted in a reproducible manner, whereby its effect on the pressure build-up in the liquid system can be taken into account, the influence of the additional amount of air caused by the lateral play between the application element and its container, which is spaced from the Flushing chamber exists and is not constant, hardly or only very difficult to take into account, as a result of which a very wide range of hydraulic behavior can occur.
  • These influencing parameters which cannot be precisely controlled, have an influence not only on the reproducibility and series distribution when the system is started up, but also in the usage behavior after prolonged use of the system.
  • the use also deposits skin and skin fat particles in the pores of the application system, which can result in a change in the behavior of the application system.
  • the stored porosity is reduced and the suction of air through the application element is hindered and slowed down at the beginning of the conveyance of liquid.
  • the fastest possible complete wetting of the application element should be achieved during the start phase.
  • a generic hair removal device in that at least one secondary air duct connected to the atmosphere is provided along the application element in the area between the first and the second liquid line.
  • a particularly uniform wetting of the application element can be ensured by one or more precisely defined secondary air channels, which are arranged in the immediate vicinity of the application element along the flow path of the liquid between the two liquid lines.
  • the application element is wetted very quickly and the amount dispensed is kept very constant during operation. It is particularly important that the application element is pressed absolutely tight into its housing except for the secondary air duct, so that no additional secondary air can be sucked in uncontrollably.
  • the uniformity of the wetting of the application element can be favored in that a large number of secondary air ducts is provided.
  • the secondary air ducts can be arranged equidistantly or at different distances.
  • the wetting behavior of the application element can be controlled in the desired manner by a suitable choice of its distance and the individual cross section.
  • the sizing of the secondary air ducts depends on the system pressure of the liquid circuit. This must not exceed a predetermined maximum pressure, which is why a pressure relief valve is arranged in the air-filled part of the liquid container in the previously known device, which opens into the atmosphere.
  • a pressure relief valve is arranged in the air-filled part of the liquid container in the previously known device, which opens into the atmosphere.
  • a preferred embodiment of the invention therefore provides that the pump outlet is designed as a throttle point to limit the system pressure in the liquid circuit. In this way, no additional connection of the liquid container to the atmosphere is required.
  • the application element can wear itself out during use or because a clogging of its pores due to contamination can lead to a weakening application effect, it is advantageous if the application element is provided as an exchangeable replacement element. Because the throttle point is also exposed to contamination, it is advantageous if it is provided within an exchangeable cartridge and is also replaced when the liquid container is changed.
  • a storage material for the liquid is provided in the liquid container.
  • This storage material can be formed, for example, by a sintered material.
  • the second liquid line is designed as a riser.
  • the inlet of this riser pipe is preferably formed within this storage material, so that only liquid and no air can be supplied to the liquid dispensing device.
  • the pump device can be provided within the liquid container, so that in the case of exchangeable liquid containers, the pump only has to be designed with regard to its fatigue strength in such a way as is necessary to convey the volume present in a liquid container. After sales this volume, both the liquid container and the pumping device are replaced by a corresponding new part.
  • the pumping device is driven by a drive element of the hair removal device, no additional drives are necessary in the hair removal device itself, which simplifies the entire structure of the hair removal device.
  • One or more liquid dispensing devices can be arranged on the hair removal device; these can be attached to the housing or to a part of the hair removal device connected to the housing.
  • An arrangement of the liquid dispensing device on the shaving head frame of a shaving apparatus or on the epilation head of an epilation device is particularly advantageous, since this is in the immediate vicinity of the working surface of the hair removal device and in this way always ensures a suitable position of the application element even with flexible or swiveling work surfaces.
  • the at least one secondary air duct is molded onto the application element itself.
  • the application element is arranged in a mounting frame, as a result of which damage to the wick or sinter-like material of the application element can be prevented with great certainty. Damage to the application element can, as already stated above, quickly lead to irregularities in the amount of application, since this damage could result in uncontrolled intake of secondary air.
  • FIG. 1 shows an embodiment of the invention as a dry shaver
  • Fig. 2 shows a schematic representation of the liquid circuit for the liquid dispensing device
  • FIG. 3 shows a liquid dispensing device according to the invention arranged on the removable frame of a dry shaver.
  • FIG. 1 shows a perspective view of a dry shaving apparatus with a view of the rear of the housing 1 and of one of the two narrow sides 2 of the housing 1 and of the shaving head 3, on which a liquid dispensing device 4 is provided.
  • a liquid container 5 is arranged on the narrow side 2 of the housing.
  • This liquid container can be fixed or detachably connected to the housing 1, according to the invention it is also possible to arrange the liquid container 5 within the housing in a fixed or exchangeable manner.
  • the shaving head 3 consists, in a manner known per se, of a central center cutter 6 for shaving longer hair, which is arranged between two curved shaving foils 7 which work together with lower knives (not shown in the drawing) for shaving out short hair.
  • the shaving foils 7 and the center cutter 6 are fastened in an interchangeable frame 8.
  • the liquid delivery device 4 is attached to this change frame, so that it is ensured that the application of the liquid always takes place in the immediate vicinity of the shaving surface.
  • the housing 1 also accommodates an electric motor which serves both the oscillating drive of the shaving head and the drive of a pump 10, this drive being able to take place directly or indirectly.
  • This pump 10 is part of a liquid circuit, which is shown in more detail in FIG. 2.
  • the pump 10 is used to circulate in the liquid transport system and to supply liquid from the liquid container 5 to the liquid dispensing device 4.
  • the pump 10 has an inlet 11 and an outlet 12, the outlet being provided with a throttle 13. This throttle 13 limits the operating pressure in the liquid system.
  • the inlet 11 is connected via a first liquid line 14 to the application pocket 15, which is designed as an elongated recess in the applicator housing 16. The connection of the first Liquid conduction to the applicator pocket 15 takes place in the end section on the left in the drawing.
  • the pump 10 and the throttle 13 are advantageously arranged within the liquid container, which is designed as a replacement cartridge, which is exchanged for a new one after the liquid has been used up.
  • the liquid container 5 is filled to a certain level 17 with liquid 18, wherein the area below the maximum level can be filled with a storage material for better binding of the liquid.
  • Open-pore sintered material is particularly suitable as storage material.
  • the application element 22 is arranged in the applicator pocket 15 in such a way that it projects above the applicator housing 16 with its upper region, on which the dispensing surface 23 is arranged.
  • This press fit between the application element 22 and the applicator housing 16 is only interrupted by a secondary air duct 24 (or, as will be explained in more detail in FIG. 3, a plurality of secondary air ducts) with a precisely defined interference cross section.
  • the application element can be made from a wick-like material or from a sintered material made of metal or plastic. Due to its open porosity, it has capillary action when wetted with liquid.
  • the flow cross section of the at least one secondary air duct is matched to the throttle 13.
  • both the lower cutters of the shaving head and the pump 10 are driven.
  • the pump 10 then sucks air from the applicator pocket 15 via the first liquid line 14, which air can initially flow in, ie as long as the application element 22 is dry, both through its open pores and via the secondary air duct 24.
  • This air is conveyed via the throttle point 13 into the liquid container 5, the pressure increase thereby caused promotes liquid via the Riser pipe 20 or the second liquid line 21 into the applicator pocket 15.
  • a liquid flow occurs in the lower region of this pocket, that is, between the mouths of the first and second liquid lines. Due to its capillary action, the application element 22 conveys the incoming liquid to its application surface 23.
  • the secondary air duct is arranged away from the second liquid line, which supplies liquid to the application element, air is fed into the system through the secondary air duct 24 before the pores of the application element 22 are emptied and the application element is thus dry. It is thus ensured that the application element 22 is always sufficiently wetted and supplied with liquid during operation.
  • FIG. 3 shows a perspective view of a further embodiment of the liquid dispensing device 4, which is arranged on an interchangeable frame 8 of a dry shaving apparatus. Due to wear and soiling, the life of the applica- onsimplantations 22 significantly lower than that of the associated hair removal device or its cutting parts. For this reason, it makes sense to design the application element as an exchange part. 3, for this purpose the application element 22 is press-fitted in a mounting frame 30 which can be releasably connected to the interchangeable frame 8 by means of a clip-in or snap-in connection. After the service life of the application element 22 has been reached, the mounting frame including the application element is then removed and replaced with a new module of this type.
  • the arrangement of the application element 22 in the mounting frame 30 ensures that the press fit in the applicator pocket 15 is not impaired during the fastening process of the new application element.
  • the user attacks this assembly on the mounting frame 30 and attaches it to the removable frame 8. While plugging in, the corresponding hydraulic connections between the interchangeable and mounting frame are connected to each other in a sealing manner.
  • the application element 22 according to FIG. 3 differs from that from FIG. 2 in that not only a relatively large secondary air channel 24 but also a plurality of fine secondary air channels 24a are arranged along the side surface 31 of the application element. Of course, these secondary air channels 24a could also be arranged as fine grooves in the corresponding side of the applicator pocket 15. This application element 22 is also clamped in the applicator pocket 15 by means of a tight interference fit. This press fit is only interrupted by the fine secondary air channels 24a with a defined, small cross section that is matched to the throttle 13. Their function corresponds to that of the secondary air duct 24 from FIG. 2.
  • a spacer 32 Parallel to the essentially vertical extension of the application element 22 and the mounting frame 30 is a spacer 32 which is designed in the form of a slide which is adjustable in the direction of the skin to be shaved.
  • the height adjustment of the spacer 32 is carried out by means of a slide switch 33 which can be displaced transversely by means of a ramp-shaped backdrop, which is not shown in the drawing.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

La présente invention concerne un appareil d'élimination de poils/cheveux tel qu'un rasoir électrique, une tondeuse ou un épilateur, comprenant un boîtier (1) et un dispositif de distribution de liquide (4) qui présente au moins un élément applicateur à pores ouverts (22), conçu pour venir en contact et humidifier la peau et/ou les poils à traiter avec le liquide, et un système de transport de liquide connecté au dispositif de distribution de liquide et constitué d'un réservoir de liquide (5) et d'un dispositif de pompe (10) pouvant être commandé et présentant un orifice d'entrée de pompe (11) et un orifice de sortie de pompe (12). Le dispositif de distribution de liquide (4) est connecté à l'orifice d'entrée de pompe (11) par l'intermédiaire d'une première conduite à liquide (14) et est connecté au réservoir de liquide (5) par l'intermédiaire d'une seconde conduite à liquide (21). Afin d'obtenir une régulation optimale de la quantité de liquide, au moins un canal d'air supplémentaire (24, 24a) relié à l'atmosphère se trouve le long de l'élément applicateur (22), dans la zone du trajet d'écoulement, entre la première conduite de liquide et la seconde conduite de liquide.
PCT/EP2002/012883 2002-04-22 2002-11-18 Appareil d'elimination de poils/cheveux WO2003089200A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002367878A AU2002367878A1 (en) 2002-04-22 2002-11-18 Hair-removal device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002117986 DE10217986B4 (de) 2002-04-22 2002-04-22 Haarentfernungsgerät mit einer Flüssigkeitsabgabevorrichtung
DE10217986.7 2002-04-22

Publications (1)

Publication Number Publication Date
WO2003089200A1 true WO2003089200A1 (fr) 2003-10-30

Family

ID=29224665

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/012883 WO2003089200A1 (fr) 2002-04-22 2002-11-18 Appareil d'elimination de poils/cheveux

Country Status (3)

Country Link
AU (1) AU2002367878A1 (fr)
DE (1) DE10217986B4 (fr)
WO (1) WO2003089200A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105394A1 (fr) * 2004-03-31 2005-11-10 Braun Gmbh Appareil electrique permettant d'eliminer partiellement ou entierement les poils de la peau

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004048164B3 (de) * 2004-10-02 2006-06-14 Braun Gmbh Vorrichtung zum Auftragen von Rasierschaum, Rasiercreme, Rasiergel, Konditionierflüssigkeit oder dergleichen Konditioniermittel auf die Haut,Kartusche dafür, sowie Trockenrasiergerät und Epiliergerät mit einer solchen Vorrichtung
DE102005062178A1 (de) * 2005-12-23 2007-06-28 Braun Gmbh Elektrisch betriebenes Rasiergerät

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359634A (en) * 1965-07-19 1967-12-26 Sunbeam Corp Electric dry shaver
FR2613975A1 (fr) * 1987-04-16 1988-10-21 Kuster Rene Rasoir electrique
DE19907025A1 (de) * 1999-02-19 2000-08-31 Braun Gmbh Haarentfernungsgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359634A (en) * 1965-07-19 1967-12-26 Sunbeam Corp Electric dry shaver
FR2613975A1 (fr) * 1987-04-16 1988-10-21 Kuster Rene Rasoir electrique
DE19907025A1 (de) * 1999-02-19 2000-08-31 Braun Gmbh Haarentfernungsgerät

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105394A1 (fr) * 2004-03-31 2005-11-10 Braun Gmbh Appareil electrique permettant d'eliminer partiellement ou entierement les poils de la peau

Also Published As

Publication number Publication date
DE10217986A1 (de) 2003-11-20
DE10217986B4 (de) 2006-03-02
AU2002367878A1 (en) 2003-11-03

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